
\begin{table}
\caption{Regression estimates of the association between IGO memberships and CPA implementation at the post-CPA year level. Implementation scores range from 2 to 95. See text for detailed description of estimators.}
\begin{center}
\begin{scriptsize}
\begin{tabular}{l D{.}{.}{5.3} D{.}{.}{3.3} D{.}{.}{3.3}}
\toprule
 & \multicolumn{1}{c}{Within-Between random effects for post-conflict periods} & \multicolumn{1}{c}{Prais-Winsten FGLS with conflict-specific AR(1) autocorrelation and PCSEs} & \multicolumn{1}{c}{Country FE and robust SEs} \\
\midrule
IGOs with high economic leverage (within effect)    & 18.65^{*} &            &            \\
                                                    & (3.75)    &            &            \\
IGOs with high economic leverage (between effect)   & -1.28     &            &            \\
                                                    & (15.91)   &            &            \\
IGOs with high economic leverage (composite effect) &           & 15.01^{*}  & 18.90^{*}  \\
                                                    &           & (2.99)     & (4.88)     \\
All other IGOs (within effect)                      & 2.52      &            &            \\
                                                    & (6.80)    &            &            \\
All other IGOs (between effect)                     & 1.68      &            &            \\
                                                    & (14.26)   &            &            \\
All other IGOs (composite effect)                   &           & -0.51      & 2.27       \\
                                                    &           & (3.72)     & (8.48)     \\
Years since conflict (logged)                       & 12.29^{*} & 14.42^{*}  & 13.33^{*}  \\
                                                    & (1.06)    & (0.74)     & (1.79)     \\
Transitional power sharing government               & -3.78     & -8.75^{*}  & 22.99^{*}  \\
                                                    & (10.12)   & (3.80)     & (7.54)     \\
Dispute resolution committee                        & 15.48     & 9.22^{*}   &            \\
                                                    & (10.28)   & (2.55)     &            \\
Female signatories                                  & 9.07      & 13.93^{*}  &            \\
                                                    & (18.81)   & (5.06)     &            \\
Conflict duration (logged)                          & -1.23     & 0.36       & -49.97^{*} \\
                                                    & (4.56)    & (2.26)     & (4.05)     \\
Battle deaths during conflict (logged)              & -0.06     & 3.87^{*}   &            \\
                                                    & (4.25)    & (1.10)     &            \\
Territorial conflict                                & -9.62     & -15.39^{*} &            \\
                                                    & (14.85)   & (6.50)     &            \\
Years with mediation  (logged)                      & 0.69      & -8.22^{*}  & -60.45^{*} \\
                                                    & (12.16)   & (3.16)     & (6.48)     \\
New leader since CPA                                & 0.38      & -0.39      & 0.69       \\
                                                    & (1.95)    & (1.68)     & (2.57)     \\
Population (logged)                                 & -1.57     & 0.21       & -17.02     \\
                                                    & (5.48)    & (1.39)     & (15.48)    \\
Economic growth                                     & 0.18      & 0.09       & 0.19       \\
                                                    & (0.10)    & (0.08)     & (0.10)     \\
Excluded population                                 & 15.11^{*} & 0.38       & 14.27^{*}  \\
                                                    & (4.91)    & (5.72)     & (6.87)     \\
Natural resources                                   & -14.77    & -10.55^{*} &            \\
                                                    & (13.58)   & (2.58)     &            \\
Democracy                                           & 3.23      & 1.96       & 3.18       \\
                                                    & (2.19)    & (2.22)     & (2.56)     \\
GDP per capita before conflict (logged)             & 3.37      & 1.84       &            \\
                                                    & (6.06)    & (1.97)     &            \\
Civil war in neighboring country                    & -5.04^{*} & -4.38^{*}  & -4.91^{*}  \\
                                                    & (1.47)    & (1.41)     & (1.84)     \\
Foreign policy similarity with US/UK/France         & 3.78      & 1.94       & 3.77       \\
                                                    & (2.81)    & (1.76)     & (3.13)     \\
Foreign policy similarity with China                & 1.64      & 2.25       & 1.74       \\
                                                    & (1.94)    & (1.69)     & (1.88)     \\
UN PKO personnel (logged)                           & 0.54^{*}  & 0.47^{*}   & 0.51       \\
                                                    & (0.25)    & (0.19)     & (0.28)     \\
Region fixed effects (baseline: East Asia)          &           &            &            \\
                                                    &           &            &            \\
\quad Europe & Central Asia                         & -11.66    & -8.75      &            \\
                                                    & (19.23)   & (5.42)     &            \\
\quad Latin America & Caribbean                     & -33.08    & -25.07^{*} &            \\
                                                    & (30.59)   & (5.96)     &            \\
\quad Middle East & North Africa                    & -33.44    & -19.26^{*} &            \\
                                                    & (26.98)   & (9.23)     &            \\
\quad South Asia                                    & -18.81    & -34.92^{*} &            \\
                                                    & (31.53)   & (8.44)     &            \\
\quad Sub-Saharan Africa                            & -22.68    & -22.63^{*} &            \\
                                                    & (19.61)   & (4.94)     &            \\
Intercept                                           & 77.55     & 12.56      &            \\
                                                    & (76.91)   & (22.76)    &            \\
\midrule
AIC                                                 & 2165.14   &            &            \\
BIC                                                 & 2284.81   &            &            \\
Log Likelihood                                      & -1050.57  &            &            \\
Num. obs.                                           & 311       & 311        & 311        \\
Num. groups: pam\_caseid                            & 34        &            &            \\
Num. groups: pam\_year\_count                       & 10        &            &            \\
Var: pam\_caseid (Intercept)                        & 402.42    &            &            \\
Var: pam\_year\_count (Intercept)                   & 0.00      &            &            \\
Var: Residual                                       & 54.17     &            &            \\
R$^2$                                               &           & 0.86       & 0.90       \\
Num. groups                                         &           & 34         &            \\
Adj. R$^2$                                          &           &            & 0.89       \\
RMSE                                                &           &            & 7.34       \\
\bottomrule
\multicolumn{4}{l}{\tiny{Standard errors in parentheses. $^* p < 0.05$ (two-tailed test).}}
\end{tabular}
\end{scriptsize}
\label{tab:m_hligo_r1}
\end{center}
\end{table}
